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  Subjects -> ENGINEERING (Total: 2278 journals)
    - CHEMICAL ENGINEERING (191 journals)
    - CIVIL ENGINEERING (183 journals)
    - ELECTRICAL ENGINEERING (103 journals)
    - ENGINEERING (1205 journals)
    - ENGINEERING MECHANICS AND MATERIALS (385 journals)
    - HYDRAULIC ENGINEERING (55 journals)
    - INDUSTRIAL ENGINEERING (66 journals)
    - MECHANICAL ENGINEERING (90 journals)

ENGINEERING (1205 journals)            First | 1 2 3 4 5 6 7 | Last

Showing 1001 - 1200 of 1205 Journals sorted alphabetically
Production and Operations Management     Hybrid Journal   (Followers: 12)
Production Engineering     Hybrid Journal   (Followers: 5)
Production Planning & Control: The Management of Operations     Hybrid Journal   (Followers: 10)
Progress in Agricultural Engineering Sciences     Full-text available via subscription  
Progress in Computational Fluid Dynamics, An International Journal     Hybrid Journal   (Followers: 7)
Progress in Energy and Combustion Science     Full-text available via subscription   (Followers: 10)
Progress in Nanotechnology and Nanomaterials     Open Access   (Followers: 4)
Progress in Photovoltaics: Research & Applications     Hybrid Journal   (Followers: 6)
Progress in Polymer Science     Full-text available via subscription   (Followers: 33)
Propellants, Explosives, Pyrotechnics     Hybrid Journal   (Followers: 296)
Propulsion and Power Research     Open Access   (Followers: 25)
Puente     Open Access  
Purinergic Signalling     Hybrid Journal   (Followers: 1)
Quaderns d’Història de l’Enginyeria     Open Access  
Quality and Reliability Engineering International     Hybrid Journal   (Followers: 14)
Quality Engineering     Hybrid Journal   (Followers: 9)
Radiochimica Acta     Hybrid Journal   (Followers: 5)
Rapid Prototyping Journal     Hybrid Journal   (Followers: 4)
Rare Metals     Hybrid Journal   (Followers: 1)
Reactive and Functional Polymers     Hybrid Journal   (Followers: 5)
Recent Patents on Engineering     Full-text available via subscription   (Followers: 3)
Recent Patents on Nanotechnology     Full-text available via subscription   (Followers: 3)
Recherche Transports Sécurité     Hybrid Journal   (Followers: 1)
Redes de Ingeniería     Open Access  
Regional Maritime University Journal     Full-text available via subscription   (Followers: 2)
Regular and Chaotic Dynamics     Hybrid Journal  
Rem : Revista Escola de Minas     Open Access   (Followers: 1)
Remote Sensing     Open Access   (Followers: 44)
Remote Sensing Letters     Hybrid Journal   (Followers: 40)
Requirements Engineering     Hybrid Journal   (Followers: 3)
Research Ideas and Outcomes     Open Access  
Research in Engineering Design     Hybrid Journal   (Followers: 11)
Research Journal of Nanoscience and Nanotechnology     Open Access   (Followers: 20)
Research Works of Air Force Institute of Technology     Open Access   (Followers: 1)
Resonance     Hybrid Journal   (Followers: 28)
Reviews in Advanced Sciences and Engineering     Partially Free   (Followers: 2)
Revista AIDIS de Ingeniería y Ciencias Ambientales. Investigación, desarrollo y práctica     Open Access  
Revista Brasileira de Engenharia Agrícola e Ambiental     Open Access   (Followers: 1)
Revista Ciencias e Ingeniería al Día     Open Access  
Revista CINTEX     Open Access   (Followers: 1)
Revista de Engenharia da Universidade Católica de Petrópolis     Open Access  
Revista de Ingeniería     Open Access  
Revista de Ingenieria Sismica     Open Access  
Revista de Investigación, Desarrollo e Innovación     Open Access  
Revista EIA     Open Access   (Followers: 1)
Revista Facultad de Ingeniería     Open Access   (Followers: 1)
Revista Facultad de Ingenieria - Universidad de Tarapaca     Open Access   (Followers: 1)
Revista Facultad de Ingeniería Universidad de Antioquia     Open Access   (Followers: 1)
Revista Fatec Zona Sul : REFAS     Open Access  
Revista Iberoamericana de Automática e Informática Industrial RIAI     Open Access  
Revista Informador Técnico     Open Access   (Followers: 1)
Revista Ingenieria de Construcción     Open Access   (Followers: 1)
Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería     Open Access   (Followers: 1)
Revista Logos Ciencia & Tecnología     Open Access   (Followers: 1)
Revue de Métallurgie     Full-text available via subscription  
Russian Engineering Research     Hybrid Journal  
Russian Journal of Non-Ferrous Metals     Hybrid Journal   (Followers: 22)
Russian Microelectronics     Hybrid Journal   (Followers: 1)
Sadhana     Open Access   (Followers: 9)
Safety Science     Hybrid Journal   (Followers: 30)
Scholedge International Journal of Multidisciplinary & Allied Studies     Open Access   (Followers: 3)
Science & Technique     Open Access  
Science and Education : Scientific Publication of BMSTU     Open Access  
Science and Engineering Ethics     Hybrid Journal   (Followers: 9)
Science and Technology     Open Access   (Followers: 2)
Science China Technological Sciences     Hybrid Journal  
Science Journal of Volgograd State University. Technology and innovations     Open Access  
Science Progress     Full-text available via subscription   (Followers: 2)
Scientia cum Industria     Open Access  
Scientific Drilling     Open Access  
Scientific Journal of Control Engineering     Open Access   (Followers: 1)
Scientific Journal of Pure and Applied Sciences     Open Access   (Followers: 1)
Sealing Technology     Full-text available via subscription   (Followers: 1)
Securitas Vialis     Hybrid Journal  
Security and Communication Networks     Hybrid Journal   (Followers: 3)
Selcuk University Journal of Engineering, Science and Technology     Open Access  
Selected Topics in Applied Earth Observations and Remote Sensing, IEEE Journal of     Hybrid Journal   (Followers: 50)
Semiconductors     Hybrid Journal  
Semiconductors and Semimetals     Full-text available via subscription   (Followers: 1)
Sensing and Imaging : An International Journal     Hybrid Journal   (Followers: 2)
Sensor Letters     Full-text available via subscription   (Followers: 2)
Sensors     Open Access   (Followers: 18)
Separation and Purification Technology     Hybrid Journal   (Followers: 9)
Services Computing, IEEE Transactions on     Hybrid Journal   (Followers: 5)
Shock and Vibration     Hybrid Journal   (Followers: 10)
SIAM Journal on Applied Dynamical Systems     Hybrid Journal   (Followers: 2)
SIAM Journal on Mathematical Analysis     Hybrid Journal   (Followers: 3)
SIAM Journal on Matrix Analysis and Applications     Hybrid Journal   (Followers: 1)
SIAM Journal on Numerical Analysis     Hybrid Journal   (Followers: 4)
SIAM Journal on Optimization     Hybrid Journal   (Followers: 8)
SIAM Review     Hybrid Journal   (Followers: 6)
SILICON     Hybrid Journal  
Sistemas & Telemática     Open Access   (Followers: 2)
Sleep and Biological Rhythms     Hybrid Journal   (Followers: 6)
Small     Hybrid Journal   (Followers: 11)
Smart Grid     Open Access  
Soft Computing     Hybrid Journal   (Followers: 8)
Software Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 67)
Soil Dynamics and Earthquake Engineering     Hybrid Journal   (Followers: 15)
Soldagem & Inspeção     Open Access  
Solid-State Circuits Magazine, IEEE     Hybrid Journal   (Followers: 12)
SourceOCDE Developpement urbain, rural et regional     Full-text available via subscription   (Followers: 1)
SourceOCDE Energie     Full-text available via subscription  
SourceOECD Energy     Full-text available via subscription  
SourceOECD Science and Technology Statistics - SourceOCDE Base de donnees des sciences et de la technologie     Full-text available via subscription  
SourceOECD Transport     Full-text available via subscription   (Followers: 3)
SourceOECD Urban, Rural and Regional Development     Full-text available via subscription   (Followers: 1)
South African Computer Journal     Full-text available via subscription  
South African Journal of Agricultural Extension     Open Access   (Followers: 4)
South African Journal of Science     Open Access   (Followers: 2)
Sports Engineering     Hybrid Journal   (Followers: 2)
Stahlbau     Hybrid Journal   (Followers: 3)
Steel in Translation     Hybrid Journal  
Steel Research International     Hybrid Journal   (Followers: 25)
Stochastic Analysis and Applications     Hybrid Journal   (Followers: 2)
Stochastic Processes and their Applications     Hybrid Journal   (Followers: 5)
Stochastics and Dynamics     Hybrid Journal  
Strain     Hybrid Journal   (Followers: 2)
Strategic Planning for Energy and the Environment     Hybrid Journal   (Followers: 4)
Studies in Engineering and Technology     Open Access  
Studies in Interface Science     Full-text available via subscription   (Followers: 1)
Studies in Logic and Practical Reasoning     Full-text available via subscription  
Studies in Surface Science and Catalysis     Full-text available via subscription   (Followers: 1)
Sud-Sciences et Technologies     Open Access  
Superconductor Science and Technology     Hybrid Journal   (Followers: 2)
Surface Engineering     Hybrid Journal   (Followers: 3)
Surface Review and Letters     Hybrid Journal  
Surface Science Reports     Full-text available via subscription   (Followers: 18)
Survey Review     Hybrid Journal   (Followers: 6)
Surveying and Land Information Science     Full-text available via subscription   (Followers: 1)
Sustainability Science     Hybrid Journal   (Followers: 8)
Sustainability Science and Engineering     Full-text available via subscription   (Followers: 4)
Sustainable Management of Sediment Resources     Full-text available via subscription  
Swiss Journal of Geosciences     Hybrid Journal   (Followers: 1)
Symmetry     Open Access  
Synthesis Lectures on Algorithms and Software in Engineering     Full-text available via subscription   (Followers: 3)
Synthesis Lectures on Antennas     Full-text available via subscription   (Followers: 6)
Synthesis Lectures on Biomedical Engineering     Full-text available via subscription  
Synthesis Lectures on Computational Electromagnetics     Full-text available via subscription   (Followers: 5)
Synthesis Lectures on Energy and the Environment: Technology, Science, and Society     Full-text available via subscription   (Followers: 2)
Synthesis Lectures on Engineering     Full-text available via subscription  
Synthesis Lectures on Global Engineering     Full-text available via subscription  
Synthesis Lectures on Professionalism and Career Advancement for Scientists and Engineers     Full-text available via subscription   (Followers: 2)
Synthetic Metals     Hybrid Journal   (Followers: 4)
Systems Engineering     Hybrid Journal   (Followers: 6)
Systems Engineering Procedia     Open Access  
Systems Research Forum     Hybrid Journal  
Systems Science & Control Engineering     Open Access   (Followers: 5)
Technological Engineering     Open Access  
Technologies     Open Access   (Followers: 1)
TECHNOLOGY     Hybrid Journal  
Technology and Innovation     Full-text available via subscription   (Followers: 3)
Technology in Society     Hybrid Journal   (Followers: 4)
Technometrics     Full-text available via subscription   (Followers: 6)
Tecnologia, Ciencia, Educacion     Open Access   (Followers: 1)
Tecnura     Open Access  
Telecommunications Policy     Hybrid Journal   (Followers: 32)
Terahertz Science and Technology, IEEE Transactions on     Hybrid Journal   (Followers: 2)
Textile Science and Technology     Full-text available via subscription   (Followers: 4)
The Journal of Supercomputing     Hybrid Journal   (Followers: 1)
The Scientific World Journal     Open Access  
Theoretical and Computational Fluid Dynamics     Hybrid Journal   (Followers: 14)
Theoretical Issues in Ergonomics Science     Hybrid Journal   (Followers: 4)
Thermal Engineering     Hybrid Journal   (Followers: 8)
Tikrit Journal of Engineering Science     Open Access  
tm - Technisches Messen     Hybrid Journal   (Followers: 3)
Topics in Catalysis     Hybrid Journal   (Followers: 1)
Traffic Injury Prevention     Hybrid Journal   (Followers: 64)
TRANSACTIONS of the VŠB - Technical University of Ostrava, Safety Engineering Series     Open Access   (Followers: 1)
Transactions of Tianjin University     Full-text available via subscription  
Transport and Telecommunication Journal     Open Access   (Followers: 4)
Transport World Africa     Full-text available via subscription   (Followers: 3)
Transportation Research Record : Journal of the Transportation Research Board     Full-text available via subscription   (Followers: 34)
Transportmetrica A : Transport Science     Hybrid Journal   (Followers: 5)
Trends in Applied Sciences Research     Open Access   (Followers: 1)
Tribology in Industry     Open Access   (Followers: 1)
Tribology International     Hybrid Journal   (Followers: 43)
Tribology Letters     Hybrid Journal   (Followers: 5)
Tribology Transactions     Hybrid Journal   (Followers: 33)
Ultramicroscopy     Hybrid Journal   (Followers: 2)
Uludağ University Journal of The Faculty of Engineering     Open Access  
Universal Journal of Applied Science     Open Access   (Followers: 2)
Universal Journal of Engineering Science     Open Access   (Followers: 1)
Utilities Policy     Hybrid Journal   (Followers: 2)
Vacuum     Hybrid Journal   (Followers: 12)
Virtual and Physical Prototyping     Hybrid Journal   (Followers: 3)
Visualization in Engineering     Open Access  
Walailak Journal of Science and Technology     Open Access  
Waste and Biomass Valorization     Hybrid Journal   (Followers: 2)
Waste Management Series     Full-text available via subscription   (Followers: 2)
Waves in Random and Complex Media     Hybrid Journal  
Waves, Wavelets and Fractals     Open Access  
Wear     Hybrid Journal   (Followers: 28)
Welding in the World     Hybrid Journal   (Followers: 6)
West African Journal of Industrial and Academic Research     Open Access   (Followers: 1)
Women in Engineering Magazine, IEEE     Full-text available via subscription   (Followers: 12)
World Journal of Engineering     Full-text available via subscription   (Followers: 3)
World Journal of Engineering and Technology     Open Access  
World Journal of Environmental Engineering     Open Access   (Followers: 2)
World Pumps     Full-text available via subscription   (Followers: 2)

  First | 1 2 3 4 5 6 7 | Last

Journal Cover Journal of Electronic Testing
  [SJR: 0.372]   [H-I: 27]   [2 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1573-0727 - ISSN (Online) 0923-8174
   Published by Springer-Verlag Homepage  [2353 journals]
  • Editorial
    • Authors: Vishwani D. Agrawal
      Pages: 377 - 378
      PubDate: 2017-08-01
      DOI: 10.1007/s10836-017-5677-6
      Issue No: Vol. 33, No. 4 (2017)
       
  • Grouped Genetic Algorithm Based Optimal Tests Selection for System with
           Multiple Operation Modes
    • Authors: ChengLin Yang; Fang Chen; Shulin Tian
      Pages: 415 - 429
      Abstract: Abstract To insure various operation modes operated properly, important modules or potential fault sources must be monitored. Due to the hardware resource limit, only part of modules and potential faults can be covered by online test. The percentage of modules or fault sources been covered is termed as fault detection rate (FDR). Lower mode FDR constraints must be satisfied to insure the whole mission executed successfully. It’s a typical multi-constraint optimization problem. In this paper, a grouped genetic algorithm (GGA) is proposed to minimize the test cost and satisfy the FDR constraints. Each GA is used to optimize the test set for one mode. The final chromosome of each GA represents the selected tests in one mode. The union set of the chromosomes of all GAs gives the final solution. Each GA is subjected to one FDR constraint, therefore, the optimal solution is more likely be found. The group of GAs are executed in parallel, hence, the proposed method is efficient. The effectiveness and efficiency of the proposed method are verified by statistical experiments.
      PubDate: 2017-08-01
      DOI: 10.1007/s10836-017-5672-y
      Issue No: Vol. 33, No. 4 (2017)
       
  • A Near-Threshold Soft Error Resilient 7T SRAM Cell with Low Read Time for
           20 nm FinFET Technology
    • Authors: Rahebeh Niaraki Asli; Shiva Taghipour
      Pages: 449 - 462
      Abstract: Abstract Shrinking of technology node in advanced VLSI devices and scaling of supply voltage degrade the performance characteristics and reduce the soft error resilience of modern downscaled digital circuits. In this paper, we propose a reliable near-threshold 7T SRAM cell with single ended read and differential write operations based on a previous proposed 5T cell. Our new cell improves read speed without degrading of write speed compared to the recently reported 7T cell. Furthermore, our proposed cell provides high soft error reliability amongst all the SRAM cells mentioned in this paper. We compared the performance and reliability characteristics of 5T, 6T, 8T and previous 7T cells with our new 7T SRAM cell to show its efficacy. The simulations are performed using HSPICE in 20 nm FinFET technology at VDD = 0.5 V. The results show that the new 7T cell has high write speed, read and write margins with improved read speed and low leakage power in the hold “0” state compared to 5T cell. In addition, the study of performance parameters under process and environmental variations considering ageing effect in near-threshold region shows the robustness of the proposed 7T SRAM cell against these variations.
      PubDate: 2017-08-01
      DOI: 10.1007/s10836-017-5659-8
      Issue No: Vol. 33, No. 4 (2017)
       
  • Test of Mechanical Failure for Via Holes and Solder Joints of Complex
           Interconnect Structure
    • Authors: Yuling Shang; Liyuan Sun; Chunquan Li; Jianfeng Ma
      Pages: 491 - 499
      Abstract: Abstract It is known that certain faults associated with the process might be generated in any phases of the fabrication and assembly of the complex interconnection structure in a high-speed PCB composed of via holes, solder joints and traces, which will inevitably discount the electrical performance of the circuit. To address the issue, a fault-voltage detection method is proposed in this paper, firstly the equivalent fault circuit of the complex interconnection structure in high-speed PCB is scanned to extract the fault voltage, then the optimal function curve can be fitted out by the least squares method based on the faultless voltage. The empirical research on the via hole crack and solder joint void have validated that this method can effectively avoid the false tests derived under the low-frequency, major-fault and high-frequency, minor-fault conditions, and can also depict more accurately how the fault parameter varies with the changes in the frequency and fault degree, and it bears a relatively strong applicability in minor-fault of hiht-speed PCB tests.
      PubDate: 2017-08-01
      DOI: 10.1007/s10836-017-5675-8
      Issue No: Vol. 33, No. 4 (2017)
       
  • An ATE Filter Characterization ToolKit Using a Discrete Chirped Excitation
           Signal as Stimulus
    • Authors: Peter Sarson
      Pages: 283 - 294
      Abstract: Abstract This paper describes how to measure a full suite of RF filter characteristics using reusable code to produce a chirp that sweeps the filters’ frequency range. It shows how to measure 3 dB points, bandwidth and group delay of any filter and how accurately the technique correlates to measurements of the silicon performance made in the lab. The test time saving and stability of results are shown as well as the advantages of the technique with regard to having full characterization data available in a production program. Historically test engineers have been asked to characterize certain parts of the device during debug of initial silicon. This adds time pressure to an already time critical sections of product delivery milestone because device characterization on ATE is never part of the original test quotation. This also adds considerable cost pressure since this takes extra software development and tester time to produce. The proposed method can alleviate a part of this problem.
      PubDate: 2017-06-01
      DOI: 10.1007/s10836-016-5633-x
      Issue No: Vol. 33, No. 3 (2017)
       
  • Using Distortion Shaping Technique to Equalize ADC THD Performance Between
           ATEs
    • Authors: Peter Sarson; Haruo Kobayashi
      Pages: 295 - 303
      Abstract: Abstract In this paper, we describe how a phase switching technique is used to control the harmonic contents of a generated sinusoidal signal using digital signal processing techniques. We will describe how this technique equalizes the harmonic performance of arbitrary waveform generators installed in a large scale integration test system, allowing extended performance testing of the total harmonic distortion of an analog-to-digital converter that ordinarily would be possible only using more advanced test equipment. Once a device has been characterized and correlated to the bench, a test engineer is required to release the product into production. One of the major issues surrounding this exercise is the difference in the obtained results between testers of the same manufacture for parameters sensitive to harmonics, noise, and spurious components such as total harmonic distortion. By using the techniques developed in this paper, the user will be able to deploy an academic solution to an industrial problem and extend the range of test equipment that ordinarily would need to be discarded for such test requirements. We will then show the gauge repeatability and reproducibility between two testers of the same manufacture, and how using the described technique produces a better correlation, thus allowing less stringent guard-bands to guarantee the performance of those devices that have performance criteria close to the device specification. This work also goes some way to proving previous papers’ works on distortion shaping testing to enhance the spectral performance of arbitrary waveform generators.
      PubDate: 2017-06-01
      DOI: 10.1007/s10836-016-5630-0
      Issue No: Vol. 33, No. 3 (2017)
       
  • Offline Error Detection in MEDA-Based Digital Microfluidic Biochips Using
           Oscillation-Based Testing Methodology
    • Authors: Vineeta Shukla; Fawnizu Azmadi Hussin; Nor Hisham Hamid; Noohul Basheer Zain Ali; Krishnendu Chakrabarty
      Abstract: Abstract Digital microfluidics is an emerging class of lab-on-a-chip system. Reliability is a critical performance parameter as these biochips are employed in various safety-critical biomedical applications. With the introduction of highly scalable, reconfigurable and field programmable Micro-Electrode-Dot-Array (MEDA) architecture, the limitation of conventional DMFBs in varying the droplet size/volume in fine grain manner has been resolved. However, the MEDA-based biochips must be adequately tested upon fabrication to guarantee the correctness of bioassays. In this work, an offline testing approach based on Oscillation-Based Testing (OBT) methodology is presented for MEDA-based digital microfluidic biochips. Various simulations were performed for droplet-electrode short fault model involving single and multiple micro-electrodes. Furthermore, the loss of droplet volume due to the presence of defect was analyzed using COMSOL Multiphysics. The simulation results based on PSpice and COMSOL show that the proposed approach is effective for detecting defects in MEDA-based biochips.
      PubDate: 2017-08-02
      DOI: 10.1007/s10836-017-5678-5
       
  • Novel Method for Nondestructive Body Effect Measurement in Dynamic Random
           Access Memory
    • Authors: Ilwoo Jung; Bonggu Sung; Byoungdeog Choi
      Abstract: Abstract Body effect is a key characteristic of a dynamic random access memory (DRAM) cell transistor. The conventional method uses a test element structure or nano-probe equipment for body effect measurements. However, the test element structure measurement is inaccurate because the structure is located outside the DRAM chip. Additionally, the nano-probe destroys the chip while measuring the body effect in the chip. Therefore, we developed a novel nondestructive method to measure the body effect in the DRAM. This method uses a memory bitmap test system. The test system was originally a device that determines pass or fail of the cells. However, it was modified to extract the gate voltage that causes the failure due to a cell transistor leakage current. Because the leakage current is correlated to the threshold voltage, this gate voltage is a relative threshold voltage. The body effect was obtained by measuring the relative threshold voltage under different body biases. After confirming the method in a single cell, we simplified the method for a mass cell measurement. Two relative threshold voltages for each body bias were used for a fast and simple test. The mass measurement method could obtain 8196 body cell effects within 2 min. The results of the newly developed method were the same as that of the conventional test element structure measurement.
      PubDate: 2017-07-22
      DOI: 10.1007/s10836-017-5676-7
       
  • Built-In Fault Localization Circuitry for High Performance FPGA Based
           Implementations
    • Authors: Ayan Palchaudhuri; Anindya Sundar Dhar
      Abstract: Abstract In order to meet superior performance metrics along with denser logic integration and device miniaturization, FPGAs have become more susceptible to transistor related aging, coupled with manufacturing defects owing to increased complexity in photolithographic techniques, thereby reducing the reliability and lifetime. In this paper, we propose certain built-in circuit techniques that are integrated with the original design, to localize the source of any hard or soft errors, if any, with tolerable penalty in performance, against acceptable time and/or hardware redundancy. Circuit realization on FPGA has been achieved through primitive instantiation and constrained placement, such that the exact location from which the fault has emanated can be traced, and bypassed for mapping any subsequent logic on the same FPGA. The adopted design paradigm which had earlier proved its potential for high performance FPGA based designs, has now been adopted to facilitate fault localization.
      PubDate: 2017-07-04
      DOI: 10.1007/s10836-017-5671-z
       
  • Test Technology Newsletter
    • PubDate: 2017-06-30
      DOI: 10.1007/s10836-017-5673-x
       
  • Resistive Bridging Defect Detection in Bulk, FDSOI and FinFET Technologies
    • Authors: Amit Karel; Mariane Comte; Jean-Marc Galliere; Florence Azais; Michel Renovell
      Abstract: Abstract Fully Depleted Silicon on Insulator (FDSOI) and Fin Field Effect Transistor (FinFET) are likely alternatives to traditional planar Bulk transistors for future technologies due to their respective promising ways of tackling the scalability issues with better short channel characteristics. Both these technologies are aiming in particular at regaining a better electrostatic control by the gate over the channel of the transistor. However, FDSOI is a planar MOS technology and as a result it is much more in continuity with planar Bulk as compared to the vertical FinFET transistors. The competition between these two technologies is fierce and many studies have been reported in the literature to compare these technologies in terms of speed performance, power consumption, cost, etc. However, these studies have not yet focused on their testability properties while the impact of defects on circuits implemented in FDSOI and FinFET technologies might be significantly different from the impact of similar defects in planar MOS circuit. It is therefore the objective of the paper to address this aspect. More specifically, we analyze the electrical behavior of logic gates in presence of a resistive bridging defect for these three different technologies. A particular care has been taken to design transistors and elementary gates in such a way that the comparative analysis in different technologies is meaningful. After implementing similar design in each technology, we compare the electrical behavior of the circuit with the same resistive bridging defect and we analyze both the static and dynamic impact of this defect.
      PubDate: 2017-06-29
      DOI: 10.1007/s10836-017-5674-9
       
  • An Access Mechanism for Embedded Sensors in Modern SoCs
    • Authors: Miao He; Mark Tehranipoor
      Abstract: Abstract With technology scaling, the number of sensors integrated into modern system-on-chip (SoC) designs has increased greatly over the past several years. These sensors must be accessed for a number of reasons (test, configuration, calibration, etc.). This paper proposes a novel sensor access mechanism (SAM) to address sensor access in various operation modes, including manufacturing test mode, functional mode, built-in self-test (BIST) mode, silicon validation mode, and calibration mode. Within this mechanism, we develop a structured and scalable sensor access architecture and a pipeline sensor access flow. The SAM architecture addresses sensor insertion and access in different scenarios, while the pipeline flow is developed by utilizing the features of sensor measurement and hardware architecture to improve the efficiency of sensor access. Moreover, SAM standardizes the testing and measurement of embedded sensors by providing easy and effective access to sensors distributed across the SoC. Further, SAM is JTAG-compatible and practice-oriented for easy industry adoption. Various simulation results, collected by integrating SAM into several benchmarks, demonstrate that sensor controllability and observability can be achieved with high efficiency and low overhead using the proposed architecture.
      PubDate: 2017-06-24
      DOI: 10.1007/s10836-017-5669-6
       
  • ACM: An Energy-Efficient Accuracy Configurable Multiplier for
           Error-Resilient Applications
    • Authors: Bharat Garg; G. K. Sharma
      Abstract: Abstract The multimedia applications such as image, audio and video processing allow approximation in computations, provided that, errors are of definite types and have austerities within confined limits, thus exhibiting error-resiliency. An approximate arithmetic circuit can be exploited to avail this error-resiliency for improving energy-efficiency. This paper presents an approximate multiplier that provides higher energy-efficiency at the cost of minor loss of accuracy. The proposed multiplier offers twofold improved performance because of reduced level of gates and curtailed inherent switched capacitances. Further, to achieve variable accuracy, an Accuracy Configurable Multiplier (ACM) algorithm is proposed that provides improved Speed-Power-Area-Accuracy (SPAA) metrics. The proposed ACM enables dynamic accuracy configurability via small error correction logic. Simulation results over accurate 8-bit multiplier indicate 57.37% and 25.17% reduced power and area, respectively. Moreover, accuracy configurability is achieved with only 10.5% and 12.32%, area and power overhead, respectively. Moreover, the proposed multiplier in real applications such as Gaussian smoothing filter attains better SPAA tradeoff over the existing approximate multipliers.
      PubDate: 2017-06-24
      DOI: 10.1007/s10836-017-5667-8
       
  • Hardware Trojan Detection Based on Logical Testing
    • Authors: Amin Bazzazi; Mohammad Taghi Manzuri Shalmani; Ali Mohammad Afshin Hemmatyar
      Abstract: Abstract In recent years, hardware Trojans (HTs) have become one of the main challenging concerns within the chain of manufacturing digital integrated circuit chips. Because of their diversity in chips, HTs are difficult to detect and locate. This paper attempted to propose a new improved method for detection and localization of HTs based on the real-time logical values of nodes. The algorithm extracts the nodes with special attributes. At the next stage, the nodes with the greatest similarity in terms of logical value are selected as targets. Depending on the size of the circuit, the extraction continues until a sufficient number of similar nodes has been selected. The logical relationship between the candidate nodes yields a function, the logical values of which differ in the Trojan-free and Trojan-infected modes, thus detecting the potential Trojans. This method is scalable, overcoming the problems of noise and Process variation. The success rate of Trojan detection in this method is more than 80%. The most overhead is 13% for power consumption and 15% for area.
      PubDate: 2017-06-22
      DOI: 10.1007/s10836-017-5670-0
       
  • Susceptible Workload Evaluation and Protection using Selective Fault
           Tolerance
    • Authors: Mauricio D. Gutierrez; Vasileios Tenentes; Daniele Rossi; Tom J. Kazmierski
      Abstract: Abstract Low power fault tolerance design techniques trade reliability to reduce the area cost and the power overhead of integrated circuits by protecting only a subset of their workload or their most vulnerable parts. However, in the presence of faults not all workloads are equally susceptible to errors. In this paper, we present a low power fault tolerance design technique that selects and protects the most susceptible workload. We propose to rank the workload susceptibility as the likelihood of any error to bypass the logic masking of the circuit and propagate to its outputs. The susceptible workload is protected by a partial Triple Modular Redundancy (TMR) scheme. We evaluate the proposed technique on timing-independent and timing-dependent errors induced by permanent and transient faults. In comparison with unranked selective fault tolerance approach, we demonstrate a) a similar error coverage with a 39.7% average reduction of the area overhead or b) a 86.9% average error coverage improvement for a similar area overhead. For the same area overhead case, we observe an error coverage improvement of 53.1% and 53.5% against permanent stuck-at and transition faults, respectively, and an average error coverage improvement of 151.8% and 89.0% against timing-dependent and timing-independent transient faults, respectively. Compared to TMR, the proposed technique achieves an area and power overhead reduction of 145.8% to 182.0%.
      PubDate: 2017-06-20
      DOI: 10.1007/s10836-017-5668-7
       
  • A New BIST-based Test Approach with the Fault Location Capability for
           Communication Channels in Network-on-Chip
    • Authors: Babak Aghaei; Ahmad Khademzadeh; Midia Reshadi; Kambiz Badie
      Abstract: Abstract In this paper, a new BIST based test approach to detecting short faults on the communication channels data links in network-on-chip is proposed. The rationale underlying the novelty of the proposed approach is that it is capable of locating the faulty channels while simultaneously performing the testing as well as updating the Routing Tables (RT) in which irregular Mesh-based and fault tolerant NoCs that are using Table-based routing. The proposed approach encompasses TPG and TRA located in the Network Adapter (NA) as well as a Packet Comparing Module (PCM) embedded in the routers. The approach, in addition, with a high scalability leads to 100% Test Coverage (TC) and 82.3% capability of diagnosing faulty channels in NoCs with a high scale. Furthermore, the approach is capable of being performed within one Round (two phase) run with a total time of 70 clocks which is considered as cost-effective compared with the preceding methods. The simulation results demonstrate that the hardware cost of PCM is trivial compared with the hardware of RASoC, HERMES, Æthereal and Vici routers.
      PubDate: 2017-06-05
      DOI: 10.1007/s10836-017-5666-9
       
  • An Automatic Functional Coverage for Digital Systems Through a Binary
           Particle Swarm Optimization Algorithm with a Reinitialization Mechanism
    • Authors: Alfonso Martínez-Cruz; Ricardo Barrón-Fernández; Herón Molina-Lozano; Marco-Antonio Ramírez-Salinas; Luis-Alfonso Villa-Vargas; Prometeo Cortés-Antonio; Kwang-Ting Cheng
      Abstract: Abstract At present, functional verification represents the most expensive part of the digital systems design. Moreover, different problems such as: clock synchronization, code compatibility, simulation automation, new design methodologies, proper use of coverage metrics, among others represent challenges in this area. The automated test vector generation is involved in these problems. In this work, an automated functional test sequences generation for digital systems based on the use of coverage models and a binary Particle Swarm Optimization algorithm with a reinitialization mechanism (BPSOr) is described. Also, a comparison with other meta-heuristic algorithms such as: Genetic algorithms (GA) and pseudo-random generation is presented using different fitness functions, coverage models and devices under verification. The main strategy is based on the combination of the simulation and meta-heuristic algorithms to test the device behavior through the generation of test vector sequences. According to the results, the proposed test generation method represents a good alternative to increase the functional coverage during the automated functional verification of block-level digital systems verification.
      PubDate: 2017-06-03
      DOI: 10.1007/s10836-017-5665-x
       
  • Editorial
    • Authors: Vishwani D. Agrawal
      PubDate: 2017-05-06
      DOI: 10.1007/s10836-017-5664-y
       
  • New Calibration Technique of Contact-less Resonant Biosensor
    • Authors: Anthony Deluthault; Vincent Kerzérho; Serge Bernard; Fabien Soulier; Philippe Cauvet
      Abstract: Abstract This paper addresses the problem of calibrating magnetically-coupled passive sensors for medical applications. We developed an analytical model of such sensor including the impact of some disturbances (distance and angle between antennas). This model is valid for sensors with different dimensions of antennas. Thanks to this model, the ideal indicator of the disturbances for calibration can be identified. It has been applied to the case study of Intra-Ocular Pressure (IOP) sensor. A new indicator (the slope of the baseline of the Bode phase plot) has been chosen.This new indicator is reliable to significant distance and angle variations between primary and secondary.
      PubDate: 2017-05-05
      DOI: 10.1007/s10836-017-5660-2
       
  • Past TTTC Events
    • PubDate: 2017-05-04
      DOI: 10.1007/s10836-017-5662-0
       
 
 
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